US PATENT SUBCLASS 65 / 394
.~.~ Ion implantation


Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

376  DF  PROCESSES OF MANUFACTURING FIBERS, FILAMENTS, OR PREFORMS {18}
385  DF  .~ Process of manufacturing optical fibers, waveguides, or preforms thereof {29}
394.~.~ Ion implantation


DEFINITION

Classification: 65/394

Ion implantation:

(under subclass 385) Processes wherein ion implantation is

utilized during any stage of manufacturing or treating the optical fiber, waveguide, or fiber preform.

(1) Note. Ion implantation generally involves a process wherein an accelerated stream of energetic (charged) ions is introduced into or penetrates the near-surface region of a core or clad of the optical fiber, waveguide, or preform.

SEE OR SEARCH CLASS

250, Radiant Energy,

492.1+, for irradiation treatment, per se, of an optical fiber, waveguide, or preform without any glassworking step (e.g., melting, shaping, etc.).